Mortality among Negroes since 1920 : with comparative data for southern whites and northern Negroes / by Mary Gover. Prepared by direction of the surgeon general.

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Bibliographic Details
Main Author: Gover, Mary, 1890-
Format: Government Document Book
Language:English
Published: Washington : U.S. Govt. Print. Off, 1937.
Series:Public health bulletin ; no. 235.
Subjects: